Question: What political party did Svetlana Savitskaya's become a member of in 1975?
Paraphrase: Svetlana Savitskaya joined which political party in 1975?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q152318 p:P102 ?s . ?s ps:P102 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1975')) }